"Avalokitesvara Bodhisattva's Heart Sutra", also known as "The Heart Sutra", belongs to the Avalokitesvara Sutra of the Avalokitesvara Tantric Buddhism and talks about the Dharani Dharma of the Bodhisattva Dora. Xuanzang of the Tang Dynasty also translated "Avalokitesvara Bodhisattva's Mantra from the Heart" and collected it into "Five Mantras". Seen in Japan's "Taishozo".
